msm8998 config:
module: xbl
path:QcomPkg/Drivers/QcomChargerDxe/QcomChargerConfig_SocTh_8998.cfg, QcomChargerConfig_VbattTh_8998.cfg
variable: BootToHLOSThresholdInMv, OsStandardBootSocThreshold and EmergencyShutdownVbatt.
Detaial description of every var will update soon.